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Gradient-based data attribution methods, such as influence functions, are critical for understanding the impact of individual training samples without requiring repeated model retraining. However, their scalability is often limited by the…

机器学习 · 计算机科学 2025-10-29 Pingbang Hu , Joseph Melkonian , Weijing Tang , Han Zhao , Jiaqi W. Ma

We develop a Bayesian Poisson matrix factorization model for forming recommendations from sparse user behavior data. These data are large user/item matrices where each user has provided feedback on only a small subset of items, either…

信息检索 · 计算机科学 2014-05-21 Prem Gopalan , Jake M. Hofman , David M. Blei

Distributed learning algorithms aim to leverage distributed and diverse data stored at users' devices to learn a global phenomena by performing training amongst participating devices and periodically aggregating their local models'…

机器学习 · 计算机科学 2021-02-04 Naram Mhaisen , Alaa Awad , Amr Mohamed , Aiman Erbad , Mohsen Guizani

Optimization in distributed networks plays a central role in almost all distributed machine learning problems. In principle, the use of distributed task allocation has reduced the computational time, allowing better response rates and…

最优化与控制 · 数学 2020-07-28 Elie Atallah , Nazanin Rahnavard , Chinwendu Enyioha

Scalable spatial GPs for massive datasets can be built via sparse Directed Acyclic Graphs (DAGs) where a small number of directed edges is sufficient to flexibly characterize spatial dependence. The DAG can be used to devise fast algorithms…

统计方法学 · 统计学 2025-03-31 Michele Peruzzi , Sudipto Banerjee , David B. Dunson , Andrew O. Finley

When a user connects to the Internet to fulfill his needs, he often encounters a huge amount of related information. Recommender systems are the techniques for massively filtering information and offering the items that users find them…

机器学习 · 计算机科学 2021-07-15 Mahdi Kherad , Amir Jalaly Bidgoly

Edge-centric distributed computations have appeared as a recent technique to improve the shortcomings of think-like-a-vertex algorithms on large scale-free networks. In order to increase parallelism on this model, edge partitioning -…

数据结构与算法 · 计算机科学 2018-10-12 Sebastian Schlag , Christian Schulz , Daniel Seemaier , Darren Strash

We develop a unified and systematic framework for performing online nonnegative matrix factorization under a wide variety of important divergences. The online nature of our algorithm makes it particularly amenable to large-scale data. We…

机器学习 · 统计学 2016-08-17 Renbo Zhao , Vincent Y. F. Tan , Huan Xu

Multiresolution Matrix Factorization (MMF) was recently introduced as a method for finding multiscale structure and defining wavelets on graphs/matrices. In this paper we derive pMMF, a parallel algorithm for computing the MMF…

数值分析 · 计算机科学 2015-07-17 Risi Kondor , Nedelina Teneva , Pramod K. Mudrakarta

We consider a large-scale parallel-server system, where each server independently adjusts its processing speed in a decentralized manner. The objective is to minimize the overall cost, which comprises the average cost of maintaining the…

最优化与控制 · 数学 2023-06-06 Daan Rutten , Martin Zubeldia , Debankur Mukherjee

In the current era of vast data and transparent machine learning, it is essential for techniques to operate at a large scale while providing a clear mathematical comprehension of the internal workings of the method. Although there already…

机器学习 · 统计学 2024-02-05 David Rügamer

This paper introduces the multidimensional butterfly factorization as a data-sparse representation of multidimensional kernel matrices that satisfy the complementary low-rank property. This factorization approximates such a kernel matrix of…

数值分析 · 数学 2017-06-12 Yingzhou Li , Haizhao Yang , Lexing Ying

Neural networks of ads systems usually take input from multiple resources, e.g., query-ad relevance, ad features and user portraits. These inputs are encoded into one-hot or multi-hot binary features, with typically only a tiny fraction of…

分布式、并行与集群计算 · 计算机科学 2020-03-13 Weijie Zhao , Deping Xie , Ronglai Jia , Yulei Qian , Ruiquan Ding , Mingming Sun , Ping Li

We introduce a fast low-rank factorization-based framework for compressing large language models that enables rapid compression of billion-parameter models without retraining. Unlike existing factorization-based approaches that optimize…

机器学习 · 计算机科学 2026-04-03 Atul Kumar Sinha , François Fleuret

Feature selection (FS) is a key research area in the machine learning and data mining fields, removing irrelevant and redundant features usually helps to reduce the effort required to process a dataset while maintaining or even improving…

机器学习 · 计算机科学 2018-11-02 Raul-Jose Palma-Mendoza , Daniel Rodriguez , Luis de-Marcos

A novel unsupervised learning method is proposed in this paper for biclustering large-dimensional matrix-valued time series based on an entirely new latent two-way factor structure. Each block cluster is characterized by its own row and…

统计方法学 · 统计学 2025-02-11 Yong He , Xiaoyang Ma , Xingheng Wang , Yalin Wang

Federated learning is a rapidly-growing area of research which enables a large number of clients to jointly train a machine learning model on privately-held data. One of the largest barriers to wider adoption of federated learning is the…

机器学习 · 计算机科学 2021-12-07 Luke Melas-Kyriazi , Franklyn Wang

For large matrix factorisation problems, we develop a distributed Markov Chain Monte Carlo (MCMC) method based on stochastic gradient Langevin dynamics (SGLD) that we call Parallel SGLD (PSGLD). PSGLD has very favourable scaling properties…

As deep neural networks include a high number of parameters and operations, it can be a challenge to implement these models on devices with limited computational resources. Despite the development of novel pruning methods toward…

计算机视觉与模式识别 · 计算机科学 2023-06-27 Morteza Homayounfar , Mohamad Koohi-Moghadam , Reza Rawassizadeh , Varut Vardhanabhuti

This paper proposes the design and implementation strategy of a novel computing architecture, the Factor Machine. The work is a step towards a general-purpose parallel system operating in a non-sequential manner, exploiting…

硬件体系结构 · 计算机科学 2024-02-21 Piotr Dudek